"I'd go to him with things and he'd be like 'Katie pick your battles, don't do this one'."

After tipping Paralympian Sam Bramham to win the show last night, Schepis is now backing Ginns to take out the game show's grand prize despite him getting less air time than louder housemates like Travis Lunardi and Skye Wheatley.

"I am rooting for him for 100 percent on the outside," she said.

"He's going to kill it.

"Everyone loves him and that could have something to do with him not getting a great deal of airtime but he's not flying under the radar intentionally."

The show, which recently came under fire for the schoolyard bully tactics used in the first live eviction of Gemma Kinghorn, forced Schepis to break down in tears during a recent yes-no challenge when she had to hang up on her father or risk losing the house's weekly food budget.

Katie Schepis reacts to speaking to her father on Big Brother. Sommer Tothill

Schepis admitted it was hard to be away from her tight-knit family and that it was a cruel trick by producers.

"I struggled so much without my family and my friends," she said.

But it will be Ginns struggling without Schepis over the next few days.

"When I left he said to me 'I'm going to feel homesick when you leave; you were like my little piece of home'," she said.